Generator / tune

Pythia 6 (327:P2010) versions validation

Versions:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
6.426 <Δ> 6.427 <Δ> 6.428
min best min best min
ee → ee : γ*/Z (hadronic) 54 +1.7 56 +2.7 220
1.7 0 1.7 +0.70 2.4
0.00073 -1.0 0.00085 -2.0 0.0033
pp/ppbar → bb 29 +1.6 29 +4.4 160
9.0 -0.100 8.9 +8.1 17
0.64 -1.0 0.64 -0.66 0.65
pp/ppbar → Elastic 20 +0.39 20 +2.2 23
18 0 18 +1.0 19
15 0 15 +0.010 15
pp/ppbar → Jets 290 +71 320 +220 380
74 +7.0 81 +79 160
0.0054 -68 0.0018 -5.6 0.00035
pp/ppbar → Soft QCD (inelastic) 90 +8.3 91 +130 190
5.7 -0.10 5.6 +1.3 6.9
0.00025 -23 0.00021 -2.9 0.00023
pp/ppbar → Soft QCD (nsd only) 18 +1.0 18 +2.2 18
4.1 +0.10 4.2 +0.100 4.3
0.51 -0.82 0.43 -0.88 0.54
pp/ppbar → Total σ 2.0 +0.0050 2.0 +0.0025 2.0
2.0 0 2.0 0 2.0
2.0 +0.0050 2.0 +0.0025 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 160 +6.8 140 +87 190
9.4 -1.3 8.1 +3.9 12
0.015 -44 0.0078 -4.8 0.0085
pp/ppbar → Underlying Event 13 +8.1 12 +7.5 25
2.2 +0.50 2.7 -0.10 2.6
0.094 -3.2 0.085 -3.7 0.079
pp/ppbar → W+Jet 5.0 +0.77 6.8 +2.8 7.5
3.7 +0.30 4.0 +0.20 4.2
2.5 -0.57 2.9 -1.6 1.9
pp/ppbar → Z+Jet 330 +72 290 +220 390
93 -9.0 84 +86 170
0.29 -71 0.25 -2.6 0.16
pp/ppbar → Z (Drell-Yan) 36 +4.1 38 +16 220
18 +3.0 21 +3.0 24
0.11 -7.8 0.31 -0.28 0.14

Legend: [ χ2 < 1 ] / [ 1 ≤ χ2 < 4 ] / [ 4 ≤ χ2 ]

(click on number in the table cell to see individual observables)

The page data is based on 11350 histograms.